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Finding the Fourth Proportional to 108,352.40, 162,308.27 and 88,432.88

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Solution

The fourth proportional to 108,352.40, 162,308.27 and 88,432.88 is: 132,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,352.40 : 162,308.27 = 88,432.88 : x
  2. Step 2: Convert to fraction form
    108,352.40/162,308.27 = 88,432.88/x
  3. Step 3: Cross multiply
    108,352.40x = 162,308.27 × 88,432.88
  4. Step 4: Simplify right side
    108,352.40x = 14,353,387,173.46
  5. Step 5: Solve for x
    x = 14,353,387,173.46/108,352.40
  6. Step 6: Final answer
    x = 132,469.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.